Ingmar Lehmann

Books by Ingmar Lehmann

Pi

A Biography of the World's Most Mysterious Number

By Alfred S. Posamentier and Ingmar Lehmann

Afterword by Herbert A. Hauptman

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Fabulous Fibonacci Numbers

Mathematical Curiosities

Magnificent Mistakes in Mathematics

Secrets of Triangles

Glorious Golden Ratio

Mathematical Amazements and Surprises

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